UV Index in Oslo, Norway

Last updated: July 2, 2025

Understanding the UV Index in Oslo, Norway is essential for safeguarding your skin health, especially as the sun's intensity varies throughout the day. The UV Index provides a crucial forecast of ultraviolet radiation levels, informing residents and visitors alike about potential risks of sunburn and long-term skin damage. With Oslo's Dfc climate, where daylight hours can extend significantly during summer, awareness of these UV levels becomes particularly important, as they peak around midday. By staying informed, you can enjoy the sunny days while taking the necessary precautions to protect your skin.

Hourly UV Index in Oslo

The UV Index throughout the day presents a clear peak in intensity, rising steadily from a gentle 1 at 07:00 to an assertive maximum of 6 between 12:00 and 14:00. This midday surge emphasizes the importance of sun protection, as the index then gracefully descends back to 1 by 19:00. From 08:00 to 11:00, values increase moderately, showcasing an inviting morning glow, while midday hours certainly warrant caution as the sun reaches its zenith. After 15:00, a gradual decline signals a retreat of UV intensity, allowing a more relaxed late afternoon. Armed with this timely information, outdoor enthusiasts can plan their activities with sun safety in mind!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
TimeUVICategoryTime to Burn
07:001low45 min
08:002low45 min
09:003moderate30 min
10:004moderate30 min
11:005moderate30 min
12:006high25 min
13:006high25 min
14:006high25 min
15:005moderate30 min
16:004moderate30 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Oslo

The UV Index experiences notable seasonal changes, peaking during the summer months. From January to February, UV levels remain low (Index 1-2), allowing for a safe burn time of 45 minutes. As spring approaches in March, the index rises to 3, indicating a moderate exposure risk with a reduced burn time of 30 minutes, which continues into April and May. By June and July, UV levels escalate to 7, categorized as high, and the burn time decreases to just 25 minutes, marking this as a high-risk period for sun exposure. The UV Index begins to decline in August (Index 5) and remains moderate until September (Index 4), before returning to low levels in October, November, and December (Index 1-2, with burn times of 45 minutes). Consequently, residents and visitors are advised to take extra precautions during the summer months, particularly from June to July, by seeking shade, wearing protective clothing, and applying sunscreen to prevent sunburn and skin damage.

Monthly Maximum UV Index for Oslo, Norway

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Oslo. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec123457654211
Data source: Statistical UV Index data for Oslo, based on information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Compare Oslo UV Index with Other Norway Cities

The table above highlights how UV exposure in Oslo compares to other major locations across Norway. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Oslo's solar exposure compared to other cities in Norway. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Trondheim UVI112456653211
Bergen UVI113457654211
Oslo123457754211
Drammen UVI123457754211
Stavanger UVI113467654211